console.log('1');

Promise.resolve().then(() => {
  console.log('2');
  Promise.resolve().then(() => console.log('3'));
});

Promise.resolve().then(() => {
  console.log('4');
});

setTimeout(() => console.log('5'), 0);

console.log('6');

function processData() {
  try {
    console.log('processing');
    return 'success';
  } catch (error) {
    console.log('error caught');
    return 'failed';
  } finally {
    console.log('cleanup');
  }
}

const result = processData();
console.log('result:', result);